skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 公仔箱論壇3 b, k8 H2 s# q! \( D
the answer is -$97 for sure.
+ k0 i  O; y) K4 E# _  I公仔箱論壇Think about it this way 公仔箱論壇1 I# F% u) O' s8 s: a( }
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
: G7 E0 ]  ]9 G7 ]公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇0 f: w  X% R+ F

9 U0 ~$ b6 t% Q+ R# b7 sthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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  k, p5 y7 ^4 v  ^5 |( M公仔箱論壇I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ??? 公仔箱論壇2 ^1 _' ]" A" j6 [; p& X6 E6 N; V8 v

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5 E1 E  f# d% p) b9 G5 N' }TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。dun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+18
5 c2 |& ~0 t# \4 c* CTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。- ^, S4 ?& k' [- A. v
[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!